GST Calculator – Calculate GST Inclusive & Exclusive Amounts Instantly

Use PaisaOne's free GST Calculator to determine the Goods and Services Tax (GST) amount on any transaction. Calculate GST inclusive prices, exclusive amounts, and tax breakdowns across all GST slabs (5%, 12%, 18%, 28%) with accurate results.

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Planning a financial goal or looking for the best offers? Compare and calculate your requirements instantly with zero hassle.

GST Calculator

Base Amount (₹)
₹1,000₹50 Lakh
Select GST Rate (%):

GST Calculation Results

₹1,18,000
Base Amount
GST Tax (18%)
₹1,18,000
Total Price (Incl. GST)
₹1,00,000
Net Base Price
₹18,000
Total GST Tax
Tax Breakdown
CGST (9.0%)₹9,000
SGST (9.0%)₹9,000
Total GST Payable₹18,000
1₹

What is a GST Calculator?

A GST Calculator is a free online tool designed to calculate the Goods and Services Tax (GST) applicable on goods and services in India. It helps individuals, businesses, freelancers, and accountants calculate the net price, GST amount, and gross price for both GST-inclusive and GST-exclusive transactions across standard tax slabs (5%, 12%, 18%, and 28%).

How to Use GST Calculator – 3 Step Flow

Streamline your finances with an easy, automated process — calculate, plan, and achieve your financial goals.

1STEP

Enter the Base Amount

Enter the price or cost of the product or service in Indian Rupees (₹).

2STEP

Select the GST Rate

Choose the applicable GST slab — 5%, 12%, 18%, 28%, or enter a custom rate.

3STEP

Choose Inclusive or Exclusive

Select whether the entered price includes GST or if GST needs to be added.

How is GST Calculated?

GST Exclusive Formula (Adding GST): GST Amount = (Original Cost × GST Rate) ÷ 100 Total Amount = Original Cost + GST Amount GST Inclusive Formula (Removing GST): GST Amount = Original Cost − [Original Cost ÷ (1 + GST Rate ÷ 100)] Net Amount = Original Cost − GST Amount

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Frequently Asked Questions

Goods and Services Tax (GST) is a unified, destination-based indirect tax levied on the manufacture, sale, and consumption of goods and services throughout India, replacing multiple central and state taxes.

India has four primary GST slabs: 5% (essential goods), 12% (processed foods, standard items), 18% (most services, electronics), and 28% (luxury and sin goods).